40 results found

Search Results for: tails


Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and nonpolar (not... Read More

Cell membrane

Definition noun plural: cell membranes ˈmembɹeɪn The cell’s outer membrane made up of a two layers of phospholipids... Read More


Definition noun plural: phospholipids phos·pho·lip·id, ˌfɒsfəˈlɪpɪd (1) A lipid with one or more phosphate groups... Read More

Old World monkey

Definition noun, plural: Old World monkeys Any of the primates that belong to the family Cercopithecidae of the suborder... Read More

Adenine ‘Tails’ Make Tailored Anchors For DNA

Researchers from the National Institute of Standards and Technology (NIST), the Naval Research Laboratory (NRL) and the... Read More

Algae’s protein ‘tails’ create motion – and aid munching

  The beating flagella of a Volvox colony creates a flow of water around it, visible here... Read More


Definition noun, plural: platyrrhines Any of the small to mid-sized primates belonging to the pavorder Platyrrhini,... Read More


tail 1. (Science: zoology) The terminal, and usually flexible, posterior appendage of an animal. The tail of mammals and... Read More

Phospholipid bilayer

Definition noun The two layers of phospholipids arranged in such a way that their hydrophobic tails are projecting inwards... Read More

Nuclease S1

Definition noun An endonuclease enzyme capable of degrading single-stranded DNA and RNA Supplement The nuclease S1 is a... Read More


Definition adjective (1) Of, relating to, or pertaining to, a tree (2) Pertaining to moving about, living in or among... Read More


Spermiogenesis definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More


Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More


Definition noun, plural: catarrhines Any of the primates belonging to the parvorder Catarrhini, characterized by having the... Read More


Chordata Definition What is Chordata? Chordata is the phylum of the animal kingdom that includes a large number of animal... Read More

Prehensile tail

Definition noun, plural: prehensile tails A tail characterized by its adaptive features, enabling the vertebrate animal to... Read More


Definition noun, plural: amphiphiles A chemical compound containing both hydrophobic and hydrophilic... Read More

Thick filament

Definition noun, plural: thick filaments A type of myofilament that is made up of bipolar myosin II filaments, and is... Read More


In ecology, predation is a mechanism of population control. Thus, when the number of predators is scarce the number of... Read More

Black-legged Kittiwakes: Sperm collection, characterization and morphology

Blacked-legged Kittiwakes are pelagic gulls that often feed on fish and macro-zooplankton at the ocean surface. They breed... Read More


Moiety Definition What is a moiety? Moiety (plural: moieties), in general, refers to the half or one of the two... Read More

Advanced Dairy Chemistry: Volume 1: Proteins, Parts A&B

Advanced Dairy Chemistry: Volume 1: Proteins, Parts A&B     ... Read More


tailing 1. The part of a projecting stone or brick inserted in a wall. 2. (Science: surgery) same as tail, 8 . 3. Sexual... Read More

New lipid molecule holds promise for gene therapy

Scientists at the University of California, Santa Barbara have created a new molecule that holds promise in fighting... Read More

Newfound Reptile Swam in Dinosaur Era

By Ker Than An artist illustration of the head and neck of an adult (top) and juvenile (bottom)... Read More

Heart Attack In A Laboratory Dish

NWO researchers at Utrecht University have given heart muscle cells a heart attack in the laboratory. This allowed them to... Read More

Unraveling the viral mechanism

Using powerful computer tools and cryo-electron microscopes, researchers at Baylor College of Medicine unmasked the secrets... Read More

SENI Biometric Analysis on the extinct Scincidae species: Macroscincus coctei (underlined)

Brian L. Schnirel Leeway Corucia Research Center (LCRC) Courtesy: Polyphemos (2004)   Introduction: It has been... Read More

Songbirds Prefer The Latest Music: Golden Oldies Just Don’t Cut It With The Chicks

Songbirds Prefer The Latest Music: Golden Oldies Just Don't Cut It With The Chicks      Duke University... Read More

A tradeoff between immunocompetence and sexual ornamentation in domestic fowl

A tradeoff between immunocompetence and sexual ornamentation in domestic fowl   S. Verhulst,*† S. J. Dieleman,‡ and H.... Read More

Structure of protein collagen seen at unprecedented level of detail

The structure and behavior of one of the most common proteins in our bodies has been resolved at a level of detail never... Read More

Ammonites and the Other Cephalopods of the Pierre Seaway: Identification Guide (Fossils & Dinosaurs)

Ammonites and the Other Cephalopods of the Pierre Seaway: Identification Guide ... Read More

Adult brain cells are movers and shakers

It's a general belief that the circuitry of young brains has robust flexibility but eventually gets "hard-wired"... Read More

Electric Fish Conduct Electric Duets In Aquatic Courtship

Cornell researchers have discovered that in the battle of the sexes, African electric fish couples not only use specific... Read More

Monkeys Use ‘Baby Talk’ To Interact With Infants

Female rhesus monkeys use special vocalizations while interacting with infants, the way human adults use motherese, or... Read More


Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More


Bears Definition Bears are mammals belonging to the family Ursidae. They typically have massive bodies, coarse heavy fur,... Read More


Arrest 1. The act of stopping, or restraining from further motion, etc.; stoppage; hindrance; restraint; as, an arrest of... Read More

E face

E face in freeze fracture the plasma membrane cleaves between the acyl tails of membrane phospholipids, leaving a monolayer... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More